A transformerless single-phase PV inverter circuit for thin-film or back-side contacted solar modules. - Mario Gommeringer; Felix Kammerer; Alexander Schmitt; Michael Braun (IECON, 2014)

An ultra-efficient maximum power point tracking circuit for photovoltaic inverters. - Mario Gommeringer; Alexander Schmitt; Felix Kammerer; Michael Braun (IECON, 2015)

A novel modulation scheme for a modular multiphase multilevel converter in a power hardware-in-the-loop emulation system. - Alexander Schmitt; Mario Gommeringer; Christoph Rollbühler; Paul Pomnitz; Michael Braun (IECON, 2015)